|
|
Post by rocketmanbkk on May 7, 2017 7:55:06 GMT
We spoke about these last year
I think someone suggested making one with a bit of 15mm pipe.
I can find the thread, sorry.
Cheers all
|
|
|
|
Post by tomplum on May 7, 2017 8:04:33 GMT
I looked into this Rocky, the ones you buy have a little piston inside that stop the water getting into the airspace, So its not just a piece of tube, thats why they're so dear, You can use a lenght of pipe as an shock arrester but this can make a breeding ground for Bactria, legionaires diseace is one, So its best to buy one and be safe,  |
|
|
|
Post by rocketmanbkk on May 7, 2017 9:59:18 GMT
Yep, cheers Tom
|
|
|
|
Post by endfeed on May 7, 2017 10:13:05 GMT
I got called out to a leak in a loft and it was a tiny ,what look like expansion valve, about the size of a tennis ball! Didnt know what the fook it was, took it to the merchant and it turned out to be a one of these shock arresters....silver it was it had spit on the seem...anybody else come accross tthese ones before  .... |
|
|
|
Post by tomplum on May 7, 2017 11:13:23 GMT
yea they quite common near a ballvavle, they stop that sudden bang or the water hammer that can happen as the ballvalves comes near to shutting off,
|
|
|
|
Post by battle1066 on May 7, 2017 18:53:13 GMT
|
|
|
|
Post by rocketmanbkk on May 7, 2017 19:19:05 GMT
Ok, haven't seen that style but when I do I'll now know what it is.
Do they fail?
|
|
|
|
Post by tomplum on May 7, 2017 19:32:25 GMT
anything in direct contact with water will fail eventually, thats why plumbers are always busy |
|
|
|
Post by dickpuller on May 7, 2017 20:22:33 GMT
We always extended a piece of copper tube above the ballvalve fitted to a tank. This was supposed to fill with air & act like a shock absorbers.
|
|
|
|
Post by endfeed on May 7, 2017 20:26:12 GMT
Yes thats it battle, it was on mains going to shower accross loft then dropped down to elecy shower... it had split right on the seem in the middle.... |
|
....
